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102777-YIM-E-0206
Unitary Products Group
93
TABLE 46: ALARM DEFAULT CODES
Code
Cause
1
Compressor number one locked out on High Pressure Control
2
Compressor number two locked out on High Pressure Control
3
Compressor number three locked out on High Pressure Control
4
Compressor number four locked out on High Pressure Control
5
Compressor number one locked out on Low Pressure Control
6
Compressor number two locked out on Low Pressure Control
7
Compressor number three locked out on Low Pressure Control
8
Compressor number four locked out on Low Pressure Control
9
Compressor number one locked out on excessive motor trips
10
Compressor number two locked out on excessive motor trips
11
Compressor number three locked out on excessive motor trips
12
Compressor number four locked out on excessive motor trips
13
First stage heating is locked out due to excessive Limit Switch Trips
14
Second stage heating is locked out due to excessive Limit Switch Trips
15
Third stage heating is locked out due to excessive Limit Switch Trips
16
First stage of heating is locked out because the ignition board failed to turn on the gas valve after 5
minutes of operation or the gas valve has voltage on it and the control is not calling for this stage of
heating
17
Second stage of heating is locked out because the ignition board failed to turn on the gas valve after
5 minutes of operation or the gas valve has voltage on it and the control is not calling for this stage of
heating
18
Third stage of heating is locked out because the ignition board failed to turn on the gas valve after 5
minutes of operation or the gas valve has voltage on it and the control is not calling for this stage of
heating
19
Space Temperature Sensor has failed open or shorted
20
Supply Air Temperature Sensor has failed open or shorted
21
Return Air Temperature Sensor has failed open or shorted
22
Outside Air Temperature Sensor has failed open or shorted
23
Dirty Filter Switch has tripped
24
Unit has locked out on the APS. Air Pressure Switch.
25
The APS is stuck closed.
26
A microelectronics failure has occurred and the control is operating on defaults
27
A microelectronics failure has occurred and the control is down due to a fatal fault.
28
The control is locked out due to Fan Overload Trips
29
Outside Humidity Sensor is out of Range
Summary of Contents for MILLENNIUM Y22
Page 47: ...102777 YIM E 0206 Unitary Products Group 47 FIGURE 20 ALTITUDE TEMPERATURE CONVERSION FACTOR ...
Page 50: ...102777 YIM E 0206 50 Unitary Products Group FIGURE 21 FAN PERFORMANCE 25 TON ...
Page 53: ...102777 YIM E 0206 Unitary Products Group 53 FIGURE 22 FAN PERFORMANCE 30 TON ...
Page 56: ...102777 YIM E 0206 56 Unitary Products Group FIGURE 23 FAN PERFORMANCE 40 TON ...
Page 126: ...102777 YIM E 0206 126 Unitary Products Group FIGURE 52 TYPICAL CONTROL WIRING ...
Page 127: ...102777 YIM E 0206 Unitary Products Group 127 FIGURE 53 LEGEND ...
Page 128: ...102777 YIM E 0206 128 Unitary Products Group FIGURE 54 TYPICAL 25 TON POWER WIRING ...
Page 129: ...102777 YIM E 0206 Unitary Products Group 129 FIGURE 55 TYPICAL 30 40 TON POWER WIRING ...
Page 130: ...102777 YIM E 0206 130 Unitary Products Group FIGURE 56 TYPICAL GAS HEAT WIRING ...
Page 134: ...102777 YIM E 0206 134 Unitary Products Group FIGURE 58 25 TON CHARGING CURVE ...
Page 139: ...102777 YIM E 0206 Unitary Products Group 139 ...